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US5765079A - Toner bottle - Google Patents

Toner bottle Download PDF

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Publication number
US5765079A
US5765079A US08/686,070 US68607096A US5765079A US 5765079 A US5765079 A US 5765079A US 68607096 A US68607096 A US 68607096A US 5765079 A US5765079 A US 5765079A
Authority
US
United States
Prior art keywords
toner
cap
scraping member
opening portion
bottle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US08/686,070
Other languages
English (en)
Inventor
Shigeru Yoshiki
Noboru Kusunose
Kenzo Tatsumi
Hideo Yoshizawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Assigned to RICOH COMPANY, LTD. reassignment RICOH COMPANY, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KUSUNOSE, NOBORU, TATSUMI, KENZO, YOSHIKI, SHIGERU, YOSHIZAWA, HIDEO
Application granted granted Critical
Publication of US5765079A publication Critical patent/US5765079A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G03G15/0868—Toner cartridges fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, acting as an active closure for the developer replenishing opening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0685—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material, e.g. toner discharge on demand, storing residual toner, not acting as a passive closure for the developer replenishing opening
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S222/00—Dispensing
    • Y10S222/01—Xerography

Definitions

  • the present invention relates to a toner bottle containing toner which is supplied to the developing unit of image forming apparatuses such as printers) copying machines, and facsimiles.
  • Electrophotography is the process of forming an electrostatic latent image on a thin layer of photoconductive photosensitive material and transferring an image formed with colored particles (called toner) held on the charged latent image onto paper.
  • toner colored particles
  • An example of a mechanism for supplying toner is described, for example, in Japan Laid-Open Patent Publication Nos. SHO 59-188678 and SHO 60-146265.
  • a toner supply unit is known where a toner battle containing toner and having a discharge port at its front surface is rotated and the rotation causes toner to be supplied from the discharge port to the developing section of an image forming apparatus.
  • the toner bottle is installed to the image forming apparatus as follows. That is, when toner is supplied, a bottle mounting holder, provided horizontally on the main body of the image forming apparatus, is rotated downward about its one end so that it is disposed vertically. If the toner bottle is used up and becomes empty in the vertical position, it is removed from the bottle mounting holder. Then, a new toner bottle filled up with toner is attached to the aforementioned mounting holder. Thereafter, the bottle mounting holder is rotated to a horizontal operative position and the setup is completed. Now, the operation of attaching a new toner bottle to the bottle mounting holder held in the vertical position will be described.
  • a cap is removed from the opening portion, and in order to prevent the toner which is the content of the bottle from spilling, the bottle is attached to the aforementioned mounting holder while the opening portion remains upright.
  • a toner bottle 1 has a cylindrical bottle body 2 and in approximately the central portion of one end surface of the bottle body 2 there is provided a small radial opening portion 3, which is smaller than the cylindrical portion of the bottle body 2.
  • the opening portion 3 extends outwardly from a collar 4, which in turn extends outwardly from the cylindrical bottle body 2, and a cap 5 is provided to close the opening portion 3.
  • a tab portion 6 is formed in the center of the cap 5.
  • a guide groove 7 is formed spirally to guide the toner contained in the bottle body 2 toward the opening portion 3 by rotation of the toner bottle 1.
  • the mechanism for removing the cap 5 from the toner bottle 1 is equipped with a chuck 10 and a chuck moving means for moving the Chuck 10 toward and away from the toner bottle 1.
  • the chuck 10 is inserted into and held in a hole portion 12 of a support wall 11 formed in part of a bottle holder 8 that supports the toner bottle 1.
  • a clamping portion 13 which is formed in one end of the chuck 10 is urged so as to expand.
  • FIG. 1(b) shows the state when the toner bottle 1 has been placed in the set position of the bottle holder 8.
  • the chuck 10 When the chuck 10 is moved to a position further away from the toner bottle 1 by the aforementioned chuck moving means, the large radius portion of the outer periphery of the chuck 10 is pushed by the inner peripheral surface of the aforementioned hole portion 12 and then the clamping portion 13 of the chuck 10 is narrowed and closed, whereby the tab portion 6 of the cap 5 is clamped with the closed clamping portion 13.
  • the chuck 10 While the chuck 10 is holding the tab portion 6 of the cap 5, it moves the cap 10 up to a position where the opening portion 3 of the toner bottle 1 can be fully opened, as shown in FIG. 1(c). This position is referred to as the cap-opened position of the cap 5, and during the time the toner bottle 1 is mounted in its normal position, the cap 5 is fixed and held at the cap-opened position.
  • the toner bottle 1 By providing the cap removing mechanism in the toner supply unit of the developing section of an image forming apparatus the toner bottle 1 can be mounted in the bottle holder 8 with the opening portion 3 closed by the cap 5.
  • the cap 5 can also be attached to the opening portion 3 of the empty toner bottle 1 by moving the chuck 10 in the reverse direction by the chuck moving means.
  • the opening portion 3 is closed with the cap 5, so there is no possibility that the toner on the opening portion 3 drops and stains the hands or clothes of f an operator who exchanges the empty bottle.
  • the toner bottle 1, constructed in the aforementioned way, has various advantages if it is used in a toner supply unit with a mechanism for removing the cap 5, but the opening portion 3 must be smaller in radius than the cylindrical portion of the bottle body 2 from the point of the mechanism.
  • a toner bottle comprises a bottle body for containing toner and giving a feed operation to the toner in one direction by a rotation operation, and a cap for closing an opening portion formed in the bottle body.
  • the toner is supplied in a state in which the cap is held in a cap-opened position where the cap opens the opening portion.
  • the toner bottle further comprises a plate-shaped toner scraping member, which extends into the opening portion of the bottle body and having elasticity.
  • the toner scraping member is provided on the back surface of the cap in the diameter direction of the cap. The outer end of the toner scraping member is positioned inside of the bottle body beyond the opening portion even when the cap is in the cap-opened position.
  • an elastic toner scraping member is provided which goes into the opening portion of the toner bottle when it is positioned in the cap-opened portion of the cap. Therefore, the condensation of the toner at the opening portion can be prevented with reliability and the degree of freedom of the setting direction of the cap is increased.
  • a plate-shaped toner scraping member extends into the opening portion of the bottle body.
  • the toner scraping member is provided on the back surface of the cap in the diameter direction of the cap.
  • the outer end of the toner scraping member is positioned inside of the bottle body beyond the opening portion even when the cap is in the cap-opened position, and an outer edge of the toner scraping member is contacted with an inner peripheral surface of the opening portion.
  • the toner scraping member slides on and along the inner peripheral surface of the opening portion.
  • the condensation of toner at the opening portion of the toner bottle can be prevented with reliability and stagnation of the toner can be prevented.
  • the toner that adhered to the opening portion of the toner bottle can be scraped outside and thus a sufficient supply quantity can be obtained.
  • a plate-shaped toner scraping member extends into the opening portion of the bottle body and has elasticity, and the toner scraping member is provided on the back surface of the cap in the diameter direction of the cap.
  • the outer end of the toner scraping member is positioned inside of the bottle body beyond the opening portion even when the cap is in the cap-opened position, and the outer edge of the toner scraping member is contacted with an inner peripheral surface of the opening portion.
  • the toner scraping member having elasticity is bent and is brought into contact with the inner peripheral surface of the opening portion, when the toner bottle is rotated. Therefore, adhesion of toner to the inner peripheral surface of the opening portion of the toner bottle can be prevented. Moreover, a reduction in the contact pressure of the toner scraping member, deformation of the cap, damages to the chuck, and an increase in the bottle driving load can be prevented.
  • the toner scraping member is twisted in the reverse direction of the rotational direction of the bottle body.
  • the toner scraping member is untwisted during rotation of the toner bottle, and it is again twisted when the rotation of the toner bottle is stopped. Therefore, the toner adhering to the inner peripheral surface of the opening portion of the toner bottle can be scraped off.
  • the width in the diameter direction of the cap of the toner scraping member is formed to be smaller than the radius of the opening portion.
  • the width in the diameter direction of one toner scraping member having elasticity is formed so as to become smaller than the radius of the opening portion, and the outer edge of the toner scraping member contacts the inner peripheral surface of the opening portion of the toner bottle. Therefore, the passage of toner can be enlarged and thus the condensation of the toner at the opening portion of the toner bottle can be prevented.
  • the toner scraping member is formed so that an angle, which is made by a contact portion between the scraping member and the cap and the inner peripheral surface of the opening portion, is an acute angle.
  • the angle which is made by the inner peripheral surface of the opening portion and the contact portion between the scraping member and the cap, is set to an acute angle. Therefore, the toner scraping member becomes easily twistable during rotation of the toner bottle, and it is untwisted when the rotation is stopped. Therefore, toner adhering to the inner peripheral surface of the opening portion of the toner bottle can be scraped off.
  • the toner scraping member has a thickness of 0.1 mm through 0.5 mm.
  • the toner scraping member is made of plastic having the same hardness as polyethylene, elasticity suitable for toner discharge will be obtained if the thickness of the toner scraping member is set to a range of 0.1 mm through 0.5 mm.
  • the width in the diameter direction of the cap of the toner scraping member is formed to be smaller than the radius of the opening portion, and the outer edge of the toner scraping member is disposed in a position which contacts or is near the inner peripheral surface of the opening portion.
  • the width in the diameter direction of one toner scraping member having elasticity is formed so as to become smaller than the radius of the opening portion, and the outer edge of the toner scraping member is disposed in a position which contacts or is near the contacts the inner peripheral surface of the opening portion of the toner bottle. Therefore, the passage of toner can be enlarged and thus the condensation of the toner at the opening portion of the toner bottle can be prevented.
  • the toner scraping member comprises a plurality of toner scraping members, which are equiangularly disposed with respect to the center of the cap.
  • the toner scraping member is constituted by a plurality of toner scraping members, which are equiangularly disposed with respect to the center of the cap. Therefore, the force exerted on the cap can be equally distributed, and the cap can be prevented from being tilting during rotation of the toner bottle. Thus, the closing operation of the cap can be reliably performed.
  • the toner scraping member has at its outer end portion an inclined portion, which is inclined toward the center line of the cap as it goes toward the outer end portion, and the inclined portion is positioned inside of the opening portion.
  • the toner scraping member has the inclined portion, which is inclined toward the center line of the cap as it goes toward the outer end portion, and the inclined portion is inside of the opening portion. Therefore, there is no possibility that the outer end of the toner scraping member is caught by the opening portion of the toner bottle when the cap is assembled, and the assembling operation of the cap is considerably enhanced.
  • FIGS. 1(a), 1(b), and 1(c) are schematic diagrams showing a conventional mechanism of removing a cap from a toner bottle and the operation;
  • FIG. 2 is a diagram showing a disadvantage of a conventional toner bottle
  • FIGS. 3(a) and 3(b) are sectional views showing a disadvantage of the conventional toner bottle
  • FIG. 4 is a sectional view showing the state when the cap of a toner bottle of the present invention has been removed by a cap removing mechanism
  • FIG. 5 is a sectional view showing a cap of an embodiment of the present invention.
  • FIGS. 6(a), 6(b), and 6(c) are front, plan, and side views of a cap, respectively, showing another embodiment of the present invention.
  • FIG. 7 is a diagram used for explaining the flow of toner when the toner bottle of FIG. 6 is used;
  • FIGS. 8(a) and 8(b) are sectional and perspective views of a cap, respectively, showing still another embodiment of the toner bottle of the present invention.
  • FIG. 9 is a sectional view of a cap showing still another embodiment of the toner bottle of the present invention.
  • FIGS. 10(a) and 10(b) are sectional and front views of a cap, respectively, showing still another embodiment of the toner bottle of the present invention.
  • FIGS. 11(a) and 11(b) are sectional and front views of a cap, respectively, showing still another embodiment of the present invention.
  • FIG. 4 is a sectional view showing the state when a cap has been removed by a cap removing mechanism used in a toner bottle, constructed according to the present invention. Note that the same reference numerals will be applied to the same members as FIGS. 1(a)-1(c)
  • two plate-shaped toner scraping members 20 which extend in the direction going into a bottle body 1 are provided on the back surface (opposite to a tab portion 6) of a cap 5 in the diameter direction of the cap.
  • the cap 5 and the toner scraping members 20 are integrally formed from plastic material such as polyethylene.
  • the toner scraping members 20 have a length which penetrates through an opening portion 3 and a collar 4 extending inwardly from the opening portion 3, even when the cap 5 shown in FIG. 4 is moved and held in the cap-opened state by a cap moving means.
  • the toner scraping members 20 are formed so as to have elasticity. In this case, the toner scraping members 20 can be formed with plastic material having elasticity.
  • reference numeral 14 denotes a plate cam member, which forms part of the aforementioned cap moving means.
  • both the cap fixed and held in the cap-opened state by the cap moving means and the toner bottle 1 are in a relative relationship. Therefore, if the toner bottle 1 is rotated in the cap-opened state, the same effect as the case when the toner scraping members 20 are rotated with respect to the fixed toner bottle 1 will be obtainable. In this case, the toner in the vicinity of the opening portion 3 and the collar 4 is scraped by the toner scraping members 20 and is discharged from the opening portion 3.
  • the toner scraping operation With the toner scraping operation, the toner blocking at the opening portion 3 and the collar portion 4 can be reliably prevented, and even toner whose fluidity is not good can be used without hindrance, As a consequence, because the kind of toner that can be used is not limited, it becomes possible to adopt a toner supply unit equipped with a cap removing mechanism in a wide variety of image forming apparatuses. In addition, if the toner scraping members 20 have an elastic property, the degree of freedom of the direction where the cap 5 is set will be increased and therefore it will also become possible to set the cap 5 in an oblique direction.
  • FIG. 5 is a sectional view of the cap 5 showing an embodiment of the present invention.
  • two elastic toner scraping members 21 are provided in the cap 5 so that the outer edges contact the inner peripheral surfaces of the opening portion 3 and the collar 4.
  • Each toner scraping member 21 has at its outer end portion an inclined portion 9 , which is inclined toward the center line of the cap 5 as it goes toward the outer end portion
  • the outer end 9a of the inclined portion 9 is positioned inside of the opening portion 3, as shown in FIG. 5.
  • the toner scraping member 21 is joined to the cap 5 at a contact portion 5a, and the angle ⁇ , which is made by the contact portion 5a and t hie inner peripheral surfaces of the opening portion 3 and the collar 4, is set so that it becomes an acute angle.
  • the toner bottle constructed in this way if rotated after the cap is opened, prevents toner blocking and the toner scraping members 21 slide on and along the inner peripheral surfaces of the opening portion 3 and the collar 4, thereby scraping the toner adhering to the inner peripheral surfaces. Therefore, the reduction in the toner supply quantity, which is caused by the opening area of the opening portion 3 narrowed due to the toner on the inner peripheral surfaces of the opening portion 3 and the collar 4, can be reliably prevented.
  • the toner scraping member 21 has elasticity, the contact pressure can be reduced even if it were slid on the inner peripheral surfaces of the opening portion 3 and the collar 4, and there is no fear that the aforementioned problem will occur.
  • the toner scraping member 21 is made of polyethylene, elasticity suitable for toner discharge will be obtained if the thickness is set in a range of 0.1 mm through 0.5 mm.
  • the thickness of the toner scraping member 21 is set to less than 0.1 mm, it will be excessively bent and toner will become difficult to scrape. In addition, the formation of the toner scraping member itself will become difficult. Furthermore, if the thickness of the scraping member 21 is increased to more than 0.5 mm, the bending will become small, and the cap 5 will become difficult to set unless the corner of the outer edge of the member 21 is chamfered.
  • the toner scraping portion 21 has the inclined portion 9, there is no possibility that the outer end 9a of the toner scraping member 21 is caught by the opening portion 3 when the cap 5 is set, and even if the center line of the opening portion 3 and the center line of the cap 5 were offset when setting, the offset would be corrected and therefore the setting operation of the cap 5 would be considerably enhanced.
  • the angle ⁇ which is made by the contact portion 5a between the toner scraping member 21 and the cap 5 and the inner peripheral surfaces of the opening portion 3 and collar 4, is set to an acute angle, so the toner scraping member 21 will become easily twistable during rotation of the bottle.
  • the toner scraping member 21 is untwisted when the rotation of the bottle is stopped, the toner adhering to the inner peripheral surfaces of the opening portion 3 and the collar 4 can be scraped off.
  • the axial length can be kept so that it can contact over the axial length of the inner peripheral sur Laces of the opening portion 3 and the collar 4.
  • FIGS. 6(a), 6(b), and 6(c) show a front view, a plan views, and a side view of a cap 5, respectively, showing another embodiment of the present invention.
  • a plate-shaped toner scraping member 22 is twisted in the reverse direction of the rotational direction of the toner bottle 1 with respect to the rotational axis of the toner bottle 1.
  • the toner scraping member 22 can be disposed so as not to contact the opening portion 3 and the collar portion 4 but, in this embodiment, it is in a sliding contact with the inner peripheral surfaces of these portions 3 and 4.
  • the toner scraping member 22 in this embodiment is formed so as to have elasticity.
  • the toner scraping member 22 slides on the opening portion 3 and the collar 4 and reliably prevents toner condensation.
  • the toner scraping member 22 is twisted, the toner on the opening portion 3 and the collar 4 where it tends to stagnate is scraped outside, and a succulent supply quantity is obtained, as shown in FIG. 7.
  • the toner scraping member 22 has elasticity. Therefore, if the toner bottle 1 rotates, the shape of the toner scraping member 22 will change in the direction where the twisting is removed, and toner will be discharged. If the rotation of the toner bottle 1 is stopped, the toner scraping member 22 will be twisted again and the toner on the inner peripheral surfaces of the opening portion 3 and the collar 4 can be scraped off.
  • a toner scraping member 23 shown in FIGS. 8(a) and 8(b) consists of a sheet of plate along approximately the diameter of the cap 5, and the opposite edges of the toner scraping member 23 do not contact the inner peripheral surfaces of the opening portion 3 and the collar 4 but extend up to a position near the inner peripheral surfaces.
  • the toner scraping member 23 can prevent toner blocking with rotation of the toner bottle 1. Notice that it is arbitrary whether the toner scraping member 23 has elasticity.
  • Toner scraping members 24 shown in FIG. 9 are substantially identical with the toner scraping member 23 of FIGS. 8(a) and 8(b) except that the central portion of the toner scraping member 23 is cut out.
  • the radial width in the diameter direction of the cap 5 of each toner scraping member 24 is smaller than the diameter of the opening portion 3.
  • the toner scraping members 24 can prevent toner blocking, and can enlarge the passage of toner at the opening portion 3 and the collar 4, as compared with the aforementioned toner scraping member 23. As shown in FIG. 9, two upper and lower toner scraping members 24 are provided, but the toner scraping member may consist of one toner scraping member, as shown in FIGS. 10(a) and 10(b) In
  • the toner scraping member may be divided into a plurality of toner scraping members 25.
  • the toner scraping members 25 are equiangularly disposed with respect to the center line of the cap 5.
  • the force exerted on the cap 5 can be equally distributed even when the outer edges of a plurality of toner scraping members 25 are contacted with the inner peripheral surfaces of the opening portion 3 and the collar 4. Therefore, the cap 5 is prevented from being tilting during rotation of the toner bottle 1. Furthermore, because the tilt of the cap 5 can also be prevented when assembling, the assembling operation can be facilitated.
  • the cap is removed and held in cap-opened position by clamping the cap by the chuck
  • the cap may be screwed into the bottle body and it may be moved to and held in the cap-opened position by rotating the cap.
  • a sliding member such as a brush
  • the toner scraping member may be contacted with the inner peripheral surfaces of the opening portion and the collar through the sliding member.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
US08/686,070 1995-07-24 1996-07-24 Toner bottle Expired - Lifetime US5765079A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP7-187505 1995-07-24
JP18750595 1995-07-24
JP11086396A JP3509385B2 (ja) 1995-07-24 1996-05-01 トナーボトル
JP8-110863 1996-05-01

Publications (1)

Publication Number Publication Date
US5765079A true US5765079A (en) 1998-06-09

Family

ID=26450385

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/686,070 Expired - Lifetime US5765079A (en) 1995-07-24 1996-07-24 Toner bottle

Country Status (9)

Country Link
US (1) US5765079A (zh)
EP (1) EP0756210B1 (zh)
JP (1) JP3509385B2 (zh)
KR (1) KR100214053B1 (zh)
CN (1) CN1078715C (zh)
DE (1) DE69623705T2 (zh)
MY (1) MY128959A (zh)
SG (1) SG91246A1 (zh)
TW (1) TW307834B (zh)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5812915A (en) * 1997-11-07 1998-09-22 Xerox Corporation Press fit fill plugs with uniform sealing ability
US5903806A (en) * 1996-08-07 1999-05-11 Konica Corporation Developing agent replenishing apparatus and cartridge
US5926675A (en) * 1997-05-14 1999-07-20 Canon Kabushiki Kaisha Seal member removing tool and seal member removing method
US5983059A (en) * 1996-09-06 1999-11-09 Ricoh Company, Ltd. Recyclable toner container for an image forming apparatus
US6058283A (en) * 1997-01-17 2000-05-02 Mita Industrial Co. Ltd. Toner cartridge with flow through discharge opening
US6088561A (en) * 1996-10-22 2000-07-11 Ricoh Company, Ltd. Toner cartridge, image formation apparatus comprising toner cartridge, and method of recycling the toner cartridge
US6104902A (en) * 1998-11-20 2000-08-15 Katun Corporation Toner cartridge assembly
US6137978A (en) * 1998-01-19 2000-10-24 Konica Corporation Toner replenishing apparatus having a plurality of scraping members of differing capacities
US6198895B1 (en) 1999-02-08 2001-03-06 Ricoh Company, Ltd. Developing device with improved developer circulation and toner density control
US6266501B1 (en) 1999-01-14 2001-07-24 Ricoh Company, Ltd. Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal
US6337957B1 (en) 1999-06-21 2002-01-08 Ricoh Company, Ltd. Image forming apparatus and developing device with improved self toner density control
US6424812B1 (en) 2001-02-01 2002-07-23 Aetas Technology Corporation Toner container and scraper arrangement
US6522855B1 (en) 1999-05-06 2003-02-18 Ricoh Company, Ltd. Image forming apparatus and developing apparatus preventing uneven image density
US6525753B2 (en) 1999-12-01 2003-02-25 Ricoh Company, Ltd. Image forming apparatus having developing device including developing rollers with differing flux density and optical writing device using xonality data of four levels or less
US6553202B2 (en) 2000-07-13 2003-04-22 Ricoh Company, Ltd. Method and apparatus for image forming capable of performing an effective development process
US20030123898A1 (en) * 2001-12-11 2003-07-03 Shigeru Yoshiki Toner scatter preventing device and image forming apparatus including the same
US6606468B2 (en) 2001-01-30 2003-08-12 Ricoh Company, Ltd. Toner scatter preventing device and image forming apparatus using the same
US20030161012A1 (en) * 2002-01-24 2003-08-28 Noboru Kusunose Image reading device
US6665511B2 (en) 2001-06-22 2003-12-16 Ricoh Company, Ltd. Developing device and image forming apparatus including the same
US20030231906A1 (en) * 2002-04-25 2003-12-18 Hideo Yoshizawa Developing cartridge and image forming apparatus using the same
US6671484B2 (en) 2000-09-05 2003-12-30 Ricoh Company, Ltd. Image forming apparatus having developing device with magnet roller with particular magnetic flux density
US6671482B2 (en) * 2001-12-04 2003-12-30 Raven Industries, Inc. Toner cartridge cap
US6701114B2 (en) 2001-01-16 2004-03-02 Ricoh Company, Ltd. Image forming apparatus and image forming process unit with developer carried on a developer carrier
US6751431B2 (en) * 1992-12-30 2004-06-15 Ricoh Company, Ltd. Developer replenishing device and developer container for use therewith
US6771918B2 (en) 2001-09-21 2004-08-03 Ricoh Company, Ltd. Developing device and image forming device
US6778786B2 (en) 2000-08-01 2004-08-17 Minolta Co., Ltd. Toner replenishing container
US20040190929A1 (en) * 2003-01-23 2004-09-30 Shigeru Yoshiki Developing device for an image forming apparatus and bearing seal structure for the same
US6819901B1 (en) 1999-11-09 2004-11-16 Ricoh Company, Ltd. Developing method and a developing device for image forming apparatus
US20050111882A1 (en) * 2003-09-19 2005-05-26 Kazuhisa Sudo Image forming apparatus
US20050196199A1 (en) * 2004-03-05 2005-09-08 Yoshio Hattori Toner container, toner replenishing device, developing device, process cartridge and image forming apparatus
US20070077100A1 (en) * 2004-02-06 2007-04-05 Masato Suzuki Toner bottle, process for producing the same, toner container, and toner cartridge, and, image forming apparatus and image forming process
US20070122205A1 (en) * 2005-01-26 2007-05-31 Nobuyuki Taguchi Toner container and image forming apparatus
US20070177886A1 (en) * 2005-04-27 2007-08-02 Nobuyuki Taguchi Toner container and image forming apparatus
US20070177905A1 (en) * 2003-02-28 2007-08-02 Hiroshi Hosokawa Developer container, developer supplying device, and image forming apparatus
US20080124133A1 (en) * 2006-11-09 2008-05-29 Hideo Yoshizawa Toner container and image forming apparatus
US20080145108A1 (en) * 2006-12-18 2008-06-19 Tomofumi Yoshida Developing device of image forming apparatus
US7398038B2 (en) 2002-09-24 2008-07-08 Ricoh Company, Ltd. Image forming apparatus using a toner container and a process cartridge
US20080170898A1 (en) * 2007-01-17 2008-07-17 Yoshiyuki Shimizu Powder conveyance device, toner conveyance device, process cartridge and image forming apparatus
US20080187358A1 (en) * 2007-02-02 2008-08-07 Tomohiro Kubota Developing device and image forming apparatus that uses this developing device
US20080219698A1 (en) * 2007-03-06 2008-09-11 Yoshiyuki Shimizu Latent image carrier unit and image forming apparatus
US20090123192A1 (en) * 2004-08-16 2009-05-14 Nobuyuki Taguchi Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
US8204402B2 (en) 2007-12-25 2012-06-19 Ricoh Company, Limited Shutter mechanism
US8290394B2 (en) 2001-02-19 2012-10-16 Canon Kabushiki Kaisha Sealing member, toner accommodating container and image forming apparatus
KR20150122684A (ko) * 2013-03-14 2015-11-02 가부시키가이샤 리코 토너 용기 및 화상 형성 장치
US20160274493A1 (en) * 2015-03-18 2016-09-22 Fuji Xerox Co., Ltd. Image forming apparatus and container for powder
US20170153577A1 (en) * 2015-12-01 2017-06-01 Océ-Technologies B.V. Toner bottle closure and toner bottle
US20240176261A1 (en) * 2021-04-19 2024-05-30 Kyocera Document Solutions Inc. Developer storage container and image forming apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP5132611B2 (ja) * 2009-03-10 2013-01-30 キヤノン株式会社 現像剤補給容器
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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853246A (en) * 1974-02-15 1974-12-10 Pitney Bowes Inc Disposable dispenser
JPS59188678A (ja) * 1983-04-09 1984-10-26 Ricoh Co Ltd トナー補給装置
JPS60146265A (ja) * 1984-01-09 1985-08-01 Ricoh Co Ltd 乾式複写機におけるトナ−補給装置
JPH0720705A (ja) * 1992-12-30 1995-01-24 Ricoh Co Ltd 現像剤補給装置及び現像剤収納容器
JPH0743999A (ja) * 1993-07-28 1995-02-14 Ricoh Co Ltd トナー補給装置
US5416568A (en) * 1991-07-09 1995-05-16 Ricoh Company, Ltd. Developing unit for an image forming apparatus
JPH07140774A (ja) * 1993-11-19 1995-06-02 Ricoh Co Ltd トナー収納容器
US5455662A (en) * 1992-12-30 1995-10-03 Ricoh Company, Ltd. Developer replenishing device and developer container for use therewith
US5531253A (en) * 1992-02-20 1996-07-02 Mita Industrial Co., Ltd. Powder filling apparatus and a method for filling a container with powder
JPH08179612A (ja) * 1994-12-20 1996-07-12 Ricoh Co Ltd トナー収容器
US5557382A (en) * 1994-11-08 1996-09-17 Ricoh Company, Ltd. Toner replenishing device for a developing device
US5576816A (en) * 1996-01-11 1996-11-19 Xerox Corporation Toner cartridge internal plug
US5598254A (en) * 1994-08-31 1997-01-28 Ricoh Company, Ltd. Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0840774A (ja) * 1994-07-29 1996-02-13 Kyocera Corp 窒化珪素質焼結体

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853246A (en) * 1974-02-15 1974-12-10 Pitney Bowes Inc Disposable dispenser
JPS59188678A (ja) * 1983-04-09 1984-10-26 Ricoh Co Ltd トナー補給装置
JPS60146265A (ja) * 1984-01-09 1985-08-01 Ricoh Co Ltd 乾式複写機におけるトナ−補給装置
US5416568A (en) * 1991-07-09 1995-05-16 Ricoh Company, Ltd. Developing unit for an image forming apparatus
US5531253A (en) * 1992-02-20 1996-07-02 Mita Industrial Co., Ltd. Powder filling apparatus and a method for filling a container with powder
JPH0720705A (ja) * 1992-12-30 1995-01-24 Ricoh Co Ltd 現像剤補給装置及び現像剤収納容器
US5455662A (en) * 1992-12-30 1995-10-03 Ricoh Company, Ltd. Developer replenishing device and developer container for use therewith
JPH0743999A (ja) * 1993-07-28 1995-02-14 Ricoh Co Ltd トナー補給装置
JPH07140774A (ja) * 1993-11-19 1995-06-02 Ricoh Co Ltd トナー収納容器
US5598254A (en) * 1994-08-31 1997-01-28 Ricoh Company, Ltd. Cartridge for replenishing two-ingredient developer to an image forming apparatus and a replenishing device using the same
US5557382A (en) * 1994-11-08 1996-09-17 Ricoh Company, Ltd. Toner replenishing device for a developing device
JPH08179612A (ja) * 1994-12-20 1996-07-12 Ricoh Co Ltd トナー収容器
US5576816A (en) * 1996-01-11 1996-11-19 Xerox Corporation Toner cartridge internal plug

Cited By (104)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6901230B2 (en) 1992-12-30 2005-05-31 Ricoh Company, Ltd. Toner container having lid including lug
US20040161267A1 (en) * 1992-12-30 2004-08-19 Hideo Ichikawa Developer replenishing device and developer container for use therewith
US6751431B2 (en) * 1992-12-30 2004-06-15 Ricoh Company, Ltd. Developer replenishing device and developer container for use therewith
US5903806A (en) * 1996-08-07 1999-05-11 Konica Corporation Developing agent replenishing apparatus and cartridge
US5983059A (en) * 1996-09-06 1999-11-09 Ricoh Company, Ltd. Recyclable toner container for an image forming apparatus
US6088561A (en) * 1996-10-22 2000-07-11 Ricoh Company, Ltd. Toner cartridge, image formation apparatus comprising toner cartridge, and method of recycling the toner cartridge
US6085056A (en) * 1997-01-17 2000-07-04 Mita Industrial Co., Ltd. Toner cartridge with partition wall
US6058283A (en) * 1997-01-17 2000-05-02 Mita Industrial Co. Ltd. Toner cartridge with flow through discharge opening
US5926675A (en) * 1997-05-14 1999-07-20 Canon Kabushiki Kaisha Seal member removing tool and seal member removing method
US5812915A (en) * 1997-11-07 1998-09-22 Xerox Corporation Press fit fill plugs with uniform sealing ability
US6137978A (en) * 1998-01-19 2000-10-24 Konica Corporation Toner replenishing apparatus having a plurality of scraping members of differing capacities
US6104902A (en) * 1998-11-20 2000-08-15 Katun Corporation Toner cartridge assembly
US6134411A (en) * 1998-11-20 2000-10-17 Katun Corporation Toner cartridge assembly
US6266501B1 (en) 1999-01-14 2001-07-24 Ricoh Company, Ltd. Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal
US6198895B1 (en) 1999-02-08 2001-03-06 Ricoh Company, Ltd. Developing device with improved developer circulation and toner density control
US6522855B1 (en) 1999-05-06 2003-02-18 Ricoh Company, Ltd. Image forming apparatus and developing apparatus preventing uneven image density
US6337957B1 (en) 1999-06-21 2002-01-08 Ricoh Company, Ltd. Image forming apparatus and developing device with improved self toner density control
US6819901B1 (en) 1999-11-09 2004-11-16 Ricoh Company, Ltd. Developing method and a developing device for image forming apparatus
US6525753B2 (en) 1999-12-01 2003-02-25 Ricoh Company, Ltd. Image forming apparatus having developing device including developing rollers with differing flux density and optical writing device using xonality data of four levels or less
US6553202B2 (en) 2000-07-13 2003-04-22 Ricoh Company, Ltd. Method and apparatus for image forming capable of performing an effective development process
US6778786B2 (en) 2000-08-01 2004-08-17 Minolta Co., Ltd. Toner replenishing container
US6671484B2 (en) 2000-09-05 2003-12-30 Ricoh Company, Ltd. Image forming apparatus having developing device with magnet roller with particular magnetic flux density
US6701114B2 (en) 2001-01-16 2004-03-02 Ricoh Company, Ltd. Image forming apparatus and image forming process unit with developer carried on a developer carrier
US6606468B2 (en) 2001-01-30 2003-08-12 Ricoh Company, Ltd. Toner scatter preventing device and image forming apparatus using the same
US6424812B1 (en) 2001-02-01 2002-07-23 Aetas Technology Corporation Toner container and scraper arrangement
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US8290394B2 (en) 2001-02-19 2012-10-16 Canon Kabushiki Kaisha Sealing member, toner accommodating container and image forming apparatus
US9046820B1 (en) 2001-02-19 2015-06-02 Canon Kabushiki Kaisha Sealing member, toner accommodating container and image forming apparatus
US6665511B2 (en) 2001-06-22 2003-12-16 Ricoh Company, Ltd. Developing device and image forming apparatus including the same
US6771918B2 (en) 2001-09-21 2004-08-03 Ricoh Company, Ltd. Developing device and image forming device
US6671482B2 (en) * 2001-12-04 2003-12-30 Raven Industries, Inc. Toner cartridge cap
US6813457B2 (en) 2001-12-11 2004-11-02 Ricoh Company, Ltd. Toner scatter preventing device and image forming apparatus including the same
US20030123898A1 (en) * 2001-12-11 2003-07-03 Shigeru Yoshiki Toner scatter preventing device and image forming apparatus including the same
US20030161012A1 (en) * 2002-01-24 2003-08-28 Noboru Kusunose Image reading device
US7342694B2 (en) 2002-01-24 2008-03-11 Ricoh Company, Ltd. Image reading device
US6795673B2 (en) 2002-04-25 2004-09-21 Ricoh Company Ltd. Developing cartridge and image forming apparatus using the same
US20030231906A1 (en) * 2002-04-25 2003-12-18 Hideo Yoshizawa Developing cartridge and image forming apparatus using the same
US7398038B2 (en) 2002-09-24 2008-07-08 Ricoh Company, Ltd. Image forming apparatus using a toner container and a process cartridge
US20040190929A1 (en) * 2003-01-23 2004-09-30 Shigeru Yoshiki Developing device for an image forming apparatus and bearing seal structure for the same
US6980753B2 (en) 2003-01-23 2005-12-27 Ricoh Company, Ltd. Developing device for an image forming apparatus and bearing seal structure for the same
US7519317B2 (en) 2003-02-28 2009-04-14 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US20110026973A1 (en) * 2003-02-28 2011-02-03 Hiroshi Hosokawa Developer container, developer supplying device, and image forming apparatus
US7835673B2 (en) 2003-02-28 2010-11-16 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US7697870B2 (en) 2003-02-28 2010-04-13 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
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US8005406B2 (en) 2003-02-28 2011-08-23 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
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US20080286013A1 (en) * 2003-02-28 2008-11-20 Hiroshi Hosokawa Developer container, developer supplying device, and image forming apparatus
US8195070B2 (en) 2003-02-28 2012-06-05 Ricoh Company, Ltd. Developer container, developer supplying device, and image forming apparatus
US20050111882A1 (en) * 2003-09-19 2005-05-26 Kazuhisa Sudo Image forming apparatus
US7212773B2 (en) 2003-09-19 2007-05-01 Ricoh Company, Ltd. Image forming apparatus
US7313349B2 (en) 2004-02-06 2007-12-25 Ricoh Company, Ltd. Toner container and image forming apparatus
US20070077100A1 (en) * 2004-02-06 2007-04-05 Masato Suzuki Toner bottle, process for producing the same, toner container, and toner cartridge, and, image forming apparatus and image forming process
US7466945B2 (en) 2004-03-05 2008-12-16 Ricoh Company, Ltd. Toner container, toner replenishing device, developing device, process cartridge and image forming apparatus
US20050196199A1 (en) * 2004-03-05 2005-09-08 Yoshio Hattori Toner container, toner replenishing device, developing device, process cartridge and image forming apparatus
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US7840167B2 (en) 2004-08-16 2010-11-23 Ricoh Company, Ltd. Toner container including a gear which is at least partially exposed to an exterior
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US8121525B2 (en) 2004-08-16 2012-02-21 Ricoh Company, Ltd. Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
US7720416B2 (en) 2004-08-16 2010-05-18 Ricoh Company, Ltd. Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
US7747202B2 (en) 2004-08-16 2010-06-29 Ricoh Company, Ltd. Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
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US7890044B2 (en) 2007-01-17 2011-02-15 Ricoh Company, Ltd. Powder conveyance device, toner conveyance device, process cartridge and image forming apparatus
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TW307834B (zh) 1997-06-11
KR970076126A (ko) 1997-12-10
CN1078715C (zh) 2002-01-30
JPH0996959A (ja) 1997-04-08
SG91246A1 (en) 2002-09-17
DE69623705T2 (de) 2003-08-07
JP3509385B2 (ja) 2004-03-22
MY128959A (en) 2007-03-30
HK1011747A1 (zh) 1999-07-16
CN1143019A (zh) 1997-02-19
EP0756210A1 (en) 1997-01-29
DE69623705D1 (de) 2002-10-24
EP0756210B1 (en) 2002-09-18
KR100214053B1 (ko) 1999-09-01

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